Sorry! you want to find the following sum: F (0) + F (3) + F (6) + ... + F (3n) =?
I do not know any formula for this sum. This formula may help here: F (0) + F (1) + F (2) + F (3 )+...+ F (n) = F (n +2) - 1 F (3n) = 3F (n) ^ 3 + 3 (-1) ^ nF (n) You can prove this by induction! Wladimir Araujo Tavares *Federal University of Ceará <http://lia.ufc.br/%7Ewladimir/> Homepage <http://lia.ufc.br/%7Ewladimir/> | Maratona<https://sites.google.com/site/quixadamaratona/>| * On Sat, Oct 1, 2011 at 2:29 PM, rahul sharma <rahul23111...@gmail.com>wrote: > yeah like0 1 1 3 5 8 .........only even shpuld be added 0+8......u r ryt > > > On Sat, Oct 1, 2011 at 10:56 PM, Shuaib Khan <aries.shu...@gmail.com>wrote: > >> I am I not wrong, the problem asks for fib numbers which are even, not fib >> numbers with even index...? >> >> >> On Sat, Oct 1, 2011 at 10:16 PM, Wladimir Tavares >> <wladimir...@gmail.com>wrote: >> >>> F(0)+F(2)+...+F(2n) = F(2n+1) - 1 >>> >>> >>> Wladimir Araujo Tavares >>> *Federal University of Ceará <http://lia.ufc.br/%7Ewladimir/> >>> Homepage <http://lia.ufc.br/%7Ewladimir/> | >>> Maratona<https://sites.google.com/site/quixadamaratona/>| >>> * >>> >>> >>> >>> >>> >>> On Sat, Oct 1, 2011 at 1:40 PM, rahul sharma <rahul23111...@gmail.com>wrote: >>> >>>> nyone provide me with recursive sol of the following prob..... >>>> >>>> >>>> find the sum of all even nos. in the fibbonacci series upto 1000....thnx >>>> in davance >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To post to this group, send email to algogeeks@googlegroups.com. >>>> To unsubscribe from this group, send email to >>>> algogeeks+unsubscr...@googlegroups.com. >>>> For more options, visit this group at >>>> http://groups.google.com/group/algogeeks?hl=en. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to algogeeks@googlegroups.com. >>> To unsubscribe from this group, send email to >>> algogeeks+unsubscr...@googlegroups.com. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >> >> >> >> -- >> Shuaib >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algogeeks@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
